package com.sky.controller.admin;

import com.sky.dto.DishDTO;
import com.sky.dto.DishPageQueryDTO;
import com.sky.entity.Dish;
import com.sky.result.PageResult;
import com.sky.result.Result;
import com.sky.service.DishService;
import com.sky.vo.DishVO;
import io.swagger.annotations.Api;
import io.swagger.annotations.ApiOperation;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.web.bind.annotation.*;

import java.util.List;
import java.util.Set;

@RestController("adminDishController")
@RequestMapping("/admin/dish")
@Slf4j
@Api(tags = "菜品相关接口")
public class DishController {
    @Autowired
    private DishService dishService;
    @Autowired
    private RedisTemplate redisTemplate;

    /**
     * 新增菜品
     * @param dishDTO
     * @return
     */
    @PostMapping
    @ApiOperation("新增菜品")
    public Result add(@RequestBody DishDTO dishDTO){
      log.info("新增菜品,{}",dishDTO);
      dishService.add(dishDTO);


      //清理缓存数据(当前新增菜品所处的分类)
        String key="dish_"+dishDTO.getCategoryId();
        //redisTemplate.delete(key);
        cleanCache(key);

      return Result.success();
    }

    /**
     * 菜品分页查询
     * @param dishPageQueryDTO
     * @return
     */
    @GetMapping("/page")
    @ApiOperation("菜品分页查询")
    private Result<PageResult> pageSelect(DishPageQueryDTO dishPageQueryDTO){
        log.info("菜品分页查询，{}",dishPageQueryDTO);
        PageResult pageResult=dishService.pageSelect(dishPageQueryDTO);
        return Result.success(pageResult);
    }

    /**
     * 根据id查询菜品和口味
     * @param id
     * @return
     */
    @GetMapping("/{id}")
    @ApiOperation("根据id查询")
    public Result<DishVO> selectId(@PathVariable Long id){
        DishVO DishVO=dishService.selectId(id);
        return Result.success(DishVO);
    }
    /**
     * 修改菜品和关联的口味
     * @param dishDTO
     * @return
     */
    @PutMapping
    @ApiOperation("修改菜品")
    public Result update(@RequestBody DishDTO dishDTO){
        log.info("修改菜品,{}",dishDTO);
        dishService.update(dishDTO);

        //修改分类可以会影响多个key，将所以缓存数据都清理掉
        //Set keys =redisTemplate.keys("dish_*"); //获取到所有以dish_*开头的key
        //redisTemplate.delete(keys);  //删除
        cleanCache("dish_*");

        return Result.success();
    }

    /**
     * 批量删除菜品
     * @param ids
     * @return
     */
  @DeleteMapping
  @ApiOperation("删除菜品")
   public Result delete(@RequestParam List<Long> ids){
     log.info("删除菜品，{}",ids);
     dishService.delete(ids);

     //删除分类可以会影响多个key，将所以缓存数据都清理掉
     //Set keys =redisTemplate.keys("dish_*"); //获取到所有以dish_*开头的key
      //redisTemplate.delete(keys);  //删除
      cleanCache("dish_*");

     return Result.success();
   }
    /**
     * 起售，停售
     */
    @PostMapping("/status/{status}")
    @ApiOperation("起售，停售")
  private Result status(@PathVariable Integer status,Long id ){
        log.info("起售，停售,{}{}",status,id);
        dishService.status(status,id);

        //将所有缓存数据都清理掉
        //Set keys =redisTemplate.keys("dish_*"); //获取到所有以dish_*开头的key
        //redisTemplate.delete(keys);  //删除
        cleanCache("dish_*");

        return Result.success();
  }

    /**
     * 根据分类id查询菜品
     * @return
     */
    @GetMapping("/list")
    @ApiOperation("根据分类id查询菜品")
  public Result<List<Dish>> list(Long categoryId){
        List<Dish> list = dishService.list(categoryId);
        return Result.success(list);
    }
    /**
     * 清理缓存
     * @param patten
     */
    private void cleanCache(String patten){
        Set keys = redisTemplate.keys(patten);
        redisTemplate.delete(keys);

    }
}
